Home / 13,559.06-20,303.22-10,912.11

Finding the Fourth Proportional to 13,559.06, 20,303.22 and 10,912.11

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Solution

The fourth proportional to 13,559.06, 20,303.22 and 10,912.11 is: 16,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.06 : 20,303.22 = 10,912.11 : x
  2. Step 2: Convert to fraction form
    13,559.06/20,303.22 = 10,912.11/x
  3. Step 3: Cross multiply
    13,559.06x = 20,303.22 × 10,912.11
  4. Step 4: Simplify right side
    13,559.06x = 221,550,969.99
  5. Step 5: Solve for x
    x = 221,550,969.99/13,559.06
  6. Step 6: Final answer
    x = 16,339.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.